package 蓝桥._2024.召唤数学精灵;

import java.util.Scanner;
// 1:无需package
// 2: 类名必须Main, 不可修改

public class Main {
    public static void main(String[] args) {
        long max = 2024041331404202L;
        System.out.println(max/200);

    }
}